.group {
  position:relative;
  margin-bottom:45px;
}

input {
  font-size:18px;
  padding:10px 10px 10px 5px;
  display:block;
  width:30px;
  border:none;
  border-bottom:1px solid #757575;
}

input:focus {
  outline:none;
}

label {
  color:#999;
  font-size:18px;
  font-weight:normal;
  position:absolute;
  pointer-events:none;
  left:5px;
  top:10px;
  transition:0.2s ease all;
}

input:focus ~ label, input:valid ~ label {
  top:-20px;
  font-size:14px;
  color:#5264AE;
}

.bar {
  position:relative;
  display:block;
  width:300px;
}

.bar:before, .bar:after {
  content:'';
  height:2px;
  width:0;
  bottom:1px;
  position:absolute;
  background:#5264AE;
  transition:0.2s ease all;
}

.bar:before {
  left:50%;
}

.bar:after {
  right:50%;
}

input:focus ~ .bar:before, input:focus ~ .bar:after {
  width:50%;
}

.highlight {
  position:absolute;
  height:60%;
  width:100px;
  top:25%;
  left:0;
  pointer-events:none;
  opacity:0.5;
}

input:focus ~ .highlight {
  animation:inputHighlighter 0.3s ease;
}

